<template>
  <!-- 头部 -->
  <header class="header">
    <!-- 头部的第一行 -->
    <div class="top">
      <div class="container">
        <div class="loginList">
          <p>尚品汇欢迎您！</p>
          <p v-if="!userInfo">
            <span>请</span>
            <router-link to="/login" style="margin-left: 3px">登录</router-link>
            <router-link class="register" to="/register">免费注册</router-link>
          </p>
          <p v-if="userInfo">
            <span style="color: #f01183">{{nickName}}</span>
            <a class="register" href="#" @click.prevent="loginOut">退出</a>
          </p>
        </div>
        <div class="typeList">
          <router-link to="/center/myorder">我的订单</router-link>
          <router-link :to="`/shopCart`">我的购物车</router-link>
          <router-link to="/">我的商品汇</router-link>
          <a href="###">尚品汇会员</a>
          <a href="###">企业采购</a>
          <a href="###">关注尚品汇</a>
          <a href="###">合作招商</a>
          <a href="###">商家后台</a>
          <a href="###" @click.prevent="getToken">获取老师的token</a>
        </div>
      </div>
    </div>
    <!--头部第二行 搜索区域-->
    <div class="bottom">
      <h1 class="logoArea">
        <router-link class="logo" to="/home">
          <img src="./images/logo.png" alt=""/>
        </router-link>
      </h1>
      <div class="searchArea">
        <form action="###" class="searchForm">
          <input
                  type="text"
                  id="autocomplete"
                  class="input-error input-xxlarge"
                  @keyup.enter="goSearch"
                  v-model="keyword"
          />
          <button class="sui-btn btn-xlarge btn-danger" type="button" @click="goSearch">
            搜索
          </button>
        </form>
      </div>
    </div>
  </header>
</template>

<script>
  import cookie from "js-cookie";

  export default {
    data() {
      return {
        keyword: '',
        userInfo: {}
      }
    },
    created() {
      this.userInfo = false
      this.isUserLogin()
    },
    computed: {
      nickName() {
        return this.userInfo.nickname
      }
    },

    methods: {
      //搜索按钮的回调函数，需要向search路由进行跳转
      goSearch() {
        //路由传递参数：
        //第一种：字符串形式
        //this.$router.push('/search/' + this.keyword + '?k=' + this.keyword.toUpperCase())
        //第二种：模板字符串
        //this.$router.push(`/search/${this.keyword}?k=${this.keyword.toUpperCase()}`)
        //第三种：对象写法
        if (JSON.stringify(this.$route.query) !== '{}') {
          let location = {name: 'search', params: {keyword: this.keyword || undefined}}
          location.query = this.$route.query
          this.$router.push(location)
        } else if (this.keyword === '') {
          this.$router.push({name: 'search2'})
        } else {
          this.$router.push({
            name: 'search', params: {keyword: this.keyword || undefined}
          })
        }
      },
      //登出，删除cookie中的信息
      loginOut() {
        this.$message({
          message: '登出成功',
          type: 'success'
        })
        cookie.set('guli_token', 0, {domain: 'localhost'})
        cookie.set('userInfo', 0, {domain: 'localhost'})
        localStorage.removeItem('userInfo')
        this.userInfo = false
        this.$router.go(0)
      },
      isUserLogin(){
        let userInfo = cookie.get('userInfo')
        let user = localStorage.getItem('userInfo')
        if (user && user !== 'null') {
          this.userInfo = JSON.parse(user);
        } else if(userInfo){
          this.userInfo = JSON.parse(userInfo)
        }else{
          this.userInfo = false
        }
      },
      async getToken(){
        let res = await this.$store.dispatch('getToken')
        if(res.code === 200){
          this.$message({
            type:'success',
            message:'获取成功'
          })
        }else{
          this.$message({
            type:'error',
            message:'获取失败'
          })
        }
      }
    },
    mounted() {
      this.$bus.$on('clear', () => {
        this.keyword = ''
      })
      this.$bus.$on('headerPush', (isAutoLogin) => {
        if (isAutoLogin) {
          this.userInfo = true
          this.userInfo = JSON.parse(localStorage.getItem('userInfo'));
        } else {
          this.userInfo = true
          let userInfo = cookie.get('userInfo')
          if (userInfo) {
            this.userInfo = JSON.parse(userInfo)
          }
        }
      })
      this.isUserLogin()
    },

  };
</script>

<style lang="less" scoped>
  .header {
    & > .top {
      background-color: #eaeaea;
      height: 30px;
      line-height: 30px;

      .container {
        width: 1200px;
        margin: 0 auto;
        overflow: hidden;

        .loginList {
          float: left;

          p {
            float: left;
            margin-right: 10px;

            .register {
              border-left: 1px solid #b3aeae;
              padding: 0 5px;
              margin-left: 5px;
            }
          }
        }

        .typeList {
          float: right;

          a {
            padding: 0 10px;

            & + a {
              border-left: 1px solid #b3aeae;
            }
          }
        }
      }
    }

    & > .bottom {
      width: 1200px;
      margin: 0 auto;
      overflow: hidden;

      .logoArea {
        float: left;

        .logo {
          img {
            width: 175px;
            margin: 25px 45px;
          }
        }
      }

      .searchArea {
        float: right;
        margin-top: 35px;

        .searchForm {
          overflow: hidden;

          input {
            box-sizing: border-box;
            width: 490px;
            height: 32px;
            padding: 0px 4px;
            border: 2px solid #ea4a36;
            float: left;

            &:focus {
              outline: none;
            }
          }

          button {
            height: 32px;
            width: 68px;
            background-color: #ea4a36;
            border: none;
            color: #fff;
            float: left;
            cursor: pointer;

            &:focus {
              outline: none;
            }
          }
        }
      }
    }
  }
</style>
